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All results from a given calculation for HNCS (Isothiocyanic acid)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-491.581866
Energy at 298.15K-491.582630
HF Energy-491.581866
Nuclear repulsion energy79.422115
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3675 3545 224.94      
2 A' 2050 1978 745.85      
3 A' 886 855 1.58      
4 A' 674 650 330.72      
5 A' 451 435 66.04      
6 A" 481 464 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 4108.5 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 3963.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/aug-cc-pVDZ
ABC
33.25565 0.19423 0.19311

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.163 1.697 0.000
C2 0.000 0.498 0.000
S3 0.039 -1.082 0.000
H4 0.521 2.440 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20992.78591.0101
C21.20991.58012.0111
S32.78591.58013.5550
H41.01012.01113.5550

picture of Isothiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 173.675 C2 N1 H4 129.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.028      
2 C -0.186      
3 S 0.184      
4 H 0.030      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.111 1.539 0.000 1.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.491 3.074 0.000
y 3.074 -19.664 0.000
z 0.000 0.000 -25.383
Traceless
 xyz
x -1.967 3.074 0.000
y 3.074 5.273 0.000
z 0.000 0.000 -3.305
Polar
3z2-r2-6.611
x2-y2-4.827
xy3.074
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.240 -0.224 0.000
y -0.224 9.876 0.000
z 0.000 0.000 4.192


<r2> (average value of r2) Å2
<r2> 61.278
(<r2>)1/2 7.828